plugins.viasat: Add support for HDS streams.
plugins.viasat: Add support for HDS streams.

programming086/livestreamer,okaywit/livestreamer,wolftankk/livestreamer,beardypig/streamlink,chhe/livestreamer,Masaz-/livestreamer,derrod/livestreamer,gravyboat/streamlink,wlerin/streamlink,hmit/livestreamer,javiercantero/streamlink,derrod/livestreamer,sbstp/streamlink,mmetak/streamlink,blxd/livestreamer,Dobatymo/livestreamer,Dobatymo/livestreamer,flijloku/livestreamer,javiercantero/streamlink,programming086/livestreamer,ethanhlc/streamlink,bastimeyer/streamlink,bastimeyer/streamlink,back-to/streamlink,fishscene/streamlink,Saturn/livestreamer,intact/livestreamer,hmit/livestreamer,jtsymon/livestreamer,intact/livestreamer,ethanhlc/streamlink,mmetak/streamlink,Klaudit/livestreamer,wolftankk/livestreamer,wlerin/streamlink,gtmanfred/livestreamer,streamlink/streamlink,caorong/livestreamer,melmorabity/streamlink,flijloku/livestreamer,okaywit/livestreamer,charmander/livestreamer,chhe/streamlink,charmander/livestreamer,Klaudit/livestreamer,gtmanfred/livestreamer,chhe/streamlink,chrippa/livestreamer,jtsymon/livestreamer,beardypig/streamlink,sbstp/streamlink,Saturn/livestreamer,lyhiving/livestreamer,streamlink/streamlink,melmorabity/streamlink,gravyboat/streamlink,blxd/livestreamer,Feverqwe/livestreamer,Masaz-/livestreamer,fishscene/streamlink,Feverqwe/livestreamer,back-to/streamlink,lyhiving/livestreamer,chhe/livestreamer,chrippa/livestreamer,caorong/livestreamer